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From "Konstantin Shvachko (Jira)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-14785) [SBN read] Change client logging to be less aggressive
Date Wed, 25 Sep 2019 22:12:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-14785?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Konstantin Shvachko updated HDFS-14785:
---------------------------------------
    Target Version/s: 2.10.0
              Labels: release-blocker  (was: )

Adding to blockers for 2.10

> [SBN read] Change client logging to be less aggressive
> ------------------------------------------------------
>
>                 Key: HDFS-14785
>                 URL: https://issues.apache.org/jira/browse/HDFS-14785
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: hdfs
>    Affects Versions: 2.10.0, 3.2.0, 3.1.2, 3.3.0
>            Reporter: Chen Liang
>            Assignee: Chen Liang
>            Priority: Major
>              Labels: release-blocker
>
> Currently {{ObserverReadProxyProvider}} logs a lot of information. There are states that
are acceptable but {{ObserverReadProxyProvider}} still log an overwhelmingly large amount
of messages. One example is that, if some NN runs an older version, the lack of {{getHAServiceState}}
method in older version NN will lead to a Exception prints on every single call.
> We can change them to debug log. This should be minimum risk, because this is only client
side, we can always enable the log back by changing to DEBUG log level on client side.



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